3484697

Information

• Patent Grant
• 3484697

• References
• Source

• Patent Number

  3,484,697

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1969
  55 years ago

• CPC

  • H03D11/04 - by means of semiconductor devices having more than two electrodes
  • H01Q1/273 - Adaptation for carrying or wearing by persons or animals
  • H01Q23/00 - Aerials with active circuits or circuit elements integrated within them or attached to them
  • H03B5/1203 - the amplifier being a single transistor
  • H03B5/1231 - the amplifier comprising one or more bipolar transistors
  • H03F3/191 - Tuned amplifiers
  • H03B2201/012 - the means being an element with a variable inductance
  • H03D2200/0096 - by stabilising the temperature

• US Classifications

  • 343 - Communications: radio wave antennas
  • 174 - Electricity: conductors and insulators
  • 336 - Inductor devices
  • 455 - Telecommunications